This tag should only be used for questions concerning the ArcGIS Platform from Esri (as a whole). Try wherever possible to use a product tag such as arcgis-desktop, arcgis-server, arcgis-mobile or arcgis-online on conjunction with a version tag such as arcgis-10.1, arcgis-10.0 or arcgis-9.3.

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1
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4answers
6k views

Cutting features in ArcGIS 10

What´s the easiest/smartest way of getting the opposite output of the clipping tool? I just need the area of feature A1 which is not covered by feature A2 in a new Layer/File. Now, I get the result by ...
1
vote
4answers
608 views

Making multiple separate selections from attributes

I am using ArcGIS 10 with ArcEditor license. I have a 10 year composite of month-to-month temperature values for 17 weather stations. That makes 120 months. I have to select each and every month ...
1
vote
1answer
305 views

Blank Environments Setting Dialogue Box

When I right-click inside a clear area of ArcToolbox and select Environments, the Environments Setting dialogue box is blank. The only items available are the buttons on the bottom to close, etc. I ...
1
vote
1answer
765 views

Labeling classes for small roads on large extent maps in arcmap with sql statement

I have many small sub divisions that won't label nice, (lot of overlapping) unreadable. While using the bullet leader symbol. What would be the best statement that would place the labels in a clear ...
1
vote
1answer
845 views

Change The Label Field In GeoFeatureLayer

I currently have a basic shapefile that's a map of the United States. It has the name of the states, populations, and other pieces of information that I can get the names of via the following code: ...
0
votes
2answers
462 views

Code for Connecting to Folder/File to open a mxd document!

I have a dialog box written in ArcOBjects. I am programming the Map button on the dialog box. The user picks a type of station and county. The program goes to folder containing the mxds and opens the ...
0
votes
1answer
632 views

How to generate all possible routes between two points?

I have a network dataset in ArcGIS and I need to generate all possible (not only the shortest one) routes between two given points (A, B). Is it possible to do it with the Network Analyst? Or with any ...
0
votes
2answers
202 views

How to add command developed with C# to ArcToolbox

I have a command that develop with c# . I want to add this command to the arctoolbox . is there any way to add command to arctoolbox in arcgis programmatically ?
0
votes
1answer
653 views

ArcGIS/arcpy: Can a variable be set to reference an in_memory workspace object?

This is an offshoot question related to a question I posted earlier. I have the following arcpy code that inputs a Python list of polygon geometry objects to the Union_analysis tool, which then ...
-1
votes
4answers
632 views

are there any methods can choose all field and make the SUM for each fields or I must do it one by one?

I will try to be more specific and really I need help In my personal geodatabase there are two layers:- one of them is small -- about 13 records/features. The other is about 118 records/features. ...
21
votes
3answers
3k views

How to hide “internal” polygon boundaries?

We've been scratching our heads over how to tackle this for some time, and are no more illuminated than when we started. I hope you can help. Our task is thus: how to draw a lake with a solid outer ...
14
votes
3answers
473 views

How to determine if trees within forest gaps are clustered?

The attached dataset shows approximately 6000 saplings in approximately 50 variable sized forest gaps. I am interested in learning how these saplings are growing within their respective gaps (i.e. ...
9
votes
1answer
1k views

How can I use a neural network in GIS?

I'd like to learn how to use a neural network in GIS. I surfed in the internet to find good resources or a tutorial about this but I couldn't find any helpful resources. Are there any good references ...
12
votes
4answers
7k views

Create Centrelines from Road Polygons

I want to create center lines from road polygons. Is there any automated tools in Arcgis or any other GIS softwares. I am attaching the Screenshot of my vector file also.
10
votes
2answers
1k views

Methods for optimizing multcore processing in ArcGIS

I am interested in learning methods to utilize the full extent of multicore processing power available on a desktop computer. Arc states that background geoprocessing allows the user to utilize ...
8
votes
2answers
1k views

How to enable SEXTANTE toolbar in ArcGIS 10.1

I have just upgraded to ArcGIS 10.1 from version 10.0. I am trying to add the SEXTANTE tools to ArcToolbox. I have followed all the instructions from the SEXTANTE website. I have also tried the ...
12
votes
5answers
5k views

Use arcgis with SQL Server 2008 as a backend

I'm wondering how best to use arcgis] and sql 2008 together. At the moment we run manual imports and exports between sql 2008 and arcgis 10 shape files. With sql 2008 having a geography data type I ...
10
votes
7answers
2k views

Open source Cloud GIS

I'm looking for an open source cloud GIS solution. Current situation: Up to 100gb of data stored in file geodatabases that is updated daily. Data is used to create maps as well as geoprocessing ...
10
votes
4answers
978 views

Performance - using multiple file geodatabases as opposed to one

I'm trying to decide the best way to organize my data for an ArcEngine application. I am particularly interested in map display and query speed. Currently I have all of my data separated into separate ...
9
votes
2answers
1k views

Speeding up my Python calculated field

I am new to Python and have started to create scripts for ArcGIS workflows. I am wondering how I can speed up my code to generate an "Hours" double numeric field from a timestamp field. I start with ...
14
votes
4answers
5k views

The simplest way to uninstall any and all ArcGIS products?

What it is the simplest and most straightforward way to uninstall any and all ArcGIS products more or less in one go that might be present on a Windows machine? perhaps scriptable? Add/Remove ...
10
votes
3answers
957 views

Efficiently finding the 1st order neighbors of 200k polygons

For every one of the 208,781 Census block groups, I'd like to retrieve the FIPS IDs of all of its 1st order neighbors. I have all the TIGER boundaries downloaded and merged into a single 1GB ...
4
votes
3answers
2k views

Can I connect (& edit) to a postgresql database with arcgis without arcSDE?

After trying in vein to get spatialkit and zgis working with my postgresql database in arcgis 9.3 and 10 , I was wondering if anyone has had any luck with these products. My postgresql database has ...
14
votes
2answers
941 views

What is the best practice for data management? [duplicate]

I have always been curious how other folks are storing their spatial data. Outside of an enterprise environment where much data is stored in enterprise geodatabases, is it better to store data per ...
14
votes
5answers
3k views

Using ArcGIS 10 on a virtual machine with OSX

I'm currently using ArcGIS 10 on a Windows 7 64 bit Macbook Pro (2.53 Ghz and 8GB of RAM) using VMWare. However, when I am using ArcGIS I find it quite slow even with Windows 7 (64-bit) optimized for ...
10
votes
2answers
10k views

How do I add a shapefile in ArcGIS via Python?

I am trying to automate various tasks in ArcGIS Desktop (using ArcMap generally) with Python, and I keep needing a way to add a shape file to the current map. (And then do stuff to it, but that's ...
10
votes
4answers
2k views

Best place for (structured) ArcGIS tutorials

I've been through University for a Geography degree and am now working on a PhD in Remote Sensing. As part of my undergraduate degree I did a couple of GIS courses, but they concentrated mainly on the ...
10
votes
6answers
858 views

Are there any convenient sources of color palettes to use in ArcGIS software while producing maps?

Since it was asked in Beta and I want to know the answer, I post it here.
10
votes
1answer
923 views

Implement ArcGIS Custom Features with C#?

Is it possible to implement custom features in .NET? If so, how? I suspect the issue is being able to do COM aggregation with .NET, but I can't find anything on that ... Does anyone know if it is ...
8
votes
1answer
5k views

Which is the correct projection in ArcGIS for EPSG:3857/900913?

I want to publish a mapservice in ArcGIS server, which will be overlayed on Google Maps or Bing Maps. For this, the Map Service needs to be in EPSG:3857/900913. The Google Maps projection is supposed ...
7
votes
1answer
438 views

How to simulate moving vehicles?

I have a point layer (stored in SQL Server 2008) that is being served up by a map service in ArcGIS Server 10.1. I am consuming this service in a web client. Lets say the points are boats out at ...
7
votes
2answers
508 views

Is it a bad idea to hold references to ArcObjects inside business classes?

According to best practices is it a bad idea to cache features and geometries inside business objects? If it is bad, what is the alternative way? References to features may be replaced with their ...
6
votes
2answers
576 views

How to implement multivariate hex bins?

I have two point datasets that I am analyzing and I wanted to implement a multivariate hexbin approach for displaying this data. I have managed to cobble together an approach using QGIS SVG symbols ...
6
votes
2answers
733 views

Google Earth Enterprise & ArcGIS - How do you use them together?

I have been fielded a few questions about Google Earth Enterprise--which I don't know anything about, I'm having a time finding answers to the two following questions, which can probably be summed up ...
6
votes
5answers
1k views

What are convenient uml tools to create geodatabase models?

I used to model databases with Microsoft Office Visio, then export the model to xml and import geodatabase schema to GDB with ArcGIS tools. Since Microsoft no longer support Visio export to xml, what ...
5
votes
2answers
1k views

Moisture Interpretation from Landsat Images

I am working on a "land suitability for crop" project. Can anyone let me know how to get any type of information which can be related to moisture index of soil? I have Landsat 5 data with band 3 and ...
4
votes
2answers
2k views

arcpy overwrite files in a geodatabase file

I'm writing a python script, I've got an mxd and its workspace is a geodatabase file with all the files I need into. The problem I'm encountering in testing and writing code is that, despite of the ...
3
votes
3answers
3k views

Printing with the ArcGIS Javascript API?

Any examples of how to print a map using the JSAPI? All from the client?
3
votes
1answer
318 views

How to cope with imprecision in floating-point grids?

I have a floating point grid/raster and will want to make all values rounded to the nearest tenth. I have converted to integer (added 0.5 for rounding), but the final floating point output grid is ...
2
votes
2answers
6k views

Solid Laptop Specs for running ArcGIS

I'm getting a Lenovo thinkpad w520 with 8gb of ram/2000m quadro GPU/2760qm Corei7 to use as my secondary work laptop. I mostly deal with large amounts of ortho photos and some GPS software. Do you ...
13
votes
3answers
6k views

How do I change geotiff “no data” color to white/transparent rather than black?

I am preparing data for inclusion into a geonetwork node, where the maps are displayed via geoserver. The problem is that cells that have"no data" are displaying as black in the geotiff and I am would ...
12
votes
6answers
813 views

What is the best way to visualize multiple large LIDAR tiles?

I want to load approximately 10 large LIDAR tiles for analysis. I have tried using ArcScene but it appears there is a limit on how much data ArcScene can handle at one time. Each tile is 65-90MB in ...
10
votes
3answers
9k views

Extract Raster Value into Polygon Attribute

I have Raster Data for a State which has Elevation Data in its pixels. I also have Vector layer which has the 300 divisions of State. what I need is, I want to get the average elevation value of ...
10
votes
2answers
2k views

Is there a Free Aggregate Points tool out there for ArcGIS 10?

I need to do some Getis-Ord analysis but first I need to aggregate my points. I know of XToolsPro, but the aggregate points function is locked and you must purchase a license to use it. I am ...
9
votes
1answer
472 views

Can concurrent processes be run in a single model?

In model builder (for Arc GIS 10) is it possible to run two or more geoprocessing operations concurrently? For example I have to run repair geometry on 2 files and then merge them. Currently it ...
8
votes
4answers
877 views

How to split points by polygon?

I am looking for a way to split points by a county polygon feature class. The attached image shows two feature classes: one composed of points and the other a county polygon feature class. The split ...
7
votes
2answers
2k views

How to create many parallel lines in ArcGIS?

I need to create many parallel lines. Is there a tool in ArcGIS where you input the distance between the parallels and the number of them? Thank you.
7
votes
5answers
2k views

Calculate distance in km to nearest points (given in lat/long) using ArcGIS

I have two point datasets in ArcGIS, both of which are given in WGS84 lat/lon co-ordinates and the points are spread across the whole world. I would like to find the nearest point in Dataset A to each ...
7
votes
5answers
3k views

Large mosaic process failing - what are the options? software independent only focussed on result

I need to mosaic about 550Gb of tif imagery together and the software I have tried keeps failing. The area has been split into zones so that the smallest has approx 200 tiles. I have used the latest ...
7
votes
1answer
219 views

Efficient Network Neighbors?

I would like to identify the Kth order neighbors of an edge on a network, specifically the neighbors of a large set of streets. For example, I have a street that I'm interested in looking at, call ...